How much does a 0.50 to 0.74ct I IF natural cushion diamond cost?

As of October 2026, 0.50 to 0.74ct I IF natural cushion diamonds typically cost $489 USD to $1,159 USD, with a median price of $740 USD. There are currently 56 diamonds matching this specification available across retailers.

Where can I find the best price on a I IF cushion diamond?

About 29% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I IF Natural Cushion

Quick answer

As of October 2026, there are 56 natural cushion diamonds with I color and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $489 USD to $1,159 USD, with a median of $740 USD. At least 50 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between $1,129 USD and $1,865 USD per carat. Over the last 30 days the median price moved +3.1% and the number of listings moved -5.2%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Cushion natural stones in the index: 2,948 USD per carat, +1.7% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

$364 USD

Highest Price

$2,781 USD

Average Price

$835 USD

Market Intelligence

Retailers Selling

Cross Retailer %

28.6%

Price Spread

51.2%

30-Day Price Trend

+3.1%

30-Day Supply Change

-5.2%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,438/ct

10th Percentile

$928

Median

$1,438

90th Percentile

$2,538

Score Distribution

189 diamonds scored across 4 quality tiers

Excellent

40 (21.2%)

Very Good

58 (30.7%)

Good

59 (31.2%)

Average

32 (16.9%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J IFJ colour is visually identical to I to the naked eye

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I VVS1VVS1 inclusions are not visible without magnification

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1